Photopromoted method for decomposing oxides of nitrogen into env

Details Photopromoted method for decomposing oxides of nitrogen into env Photopromoted method for decomposing oxides of nitrogen into env

1989-06-26

1990-12-25

Langel, Wayne A.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

2041575, B01J 110

Patent

active

049800400

ABSTRACT:
A method is provided for the photopromoted solid-catalyzed decomposition of oxides of nitrogen such as nitric oxide which are major pollutants of air and the environment at large. By this method, oxides of nitrogen are decomposed into molecular nitrogen and molecular oxygen by reactive passage over a solid metal oxide catalyst at an elevated temperature under irradiation at wavelengths absorbable by the catalyst. In this manner, the major oxides of nitrogen pollutants originating in the exhaust gases produced by automobile engines, jet engines used in the propulsion of aircraft, gas-turbine power generators, and the combustion of fossil fuels generally are controlled and eliminated.

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patent: 4146450 (1979-03-01), Araki et al.
Michell J. Sienko et al., Chemistry, Second Edition McGraw-Hill Book Co., Inc., (1961), pp. 247-249.

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